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380054c3 DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
2b55f05a | 13 | #ifndef lint |
380054c3 DF |
14 | static char sccsid[] = "@(#)mkpasswd.c 5.1 (Berkeley) %G%"; |
15 | #endif not lint | |
2b55f05a RC |
16 | |
17 | #include <sys/file.h> | |
18 | #include <stdio.h> | |
19 | #include <pwd.h> | |
20 | #include <ndbm.h> | |
21 | ||
22 | char buf[BUFSIZ]; | |
63e9078a RC |
23 | |
24 | struct passwd *fgetpwent(); | |
2b55f05a RC |
25 | |
26 | main(argc, argv) | |
27 | char *argv[]; | |
28 | { | |
29 | DBM *dp; | |
30 | datum key, content; | |
31 | register char *cp, *tp; | |
32 | register struct passwd *pwd; | |
33 | int verbose = 0, entries = 0, maxlen = 0; | |
34 | ||
35 | if (argc > 1 && strcmp(argv[1], "-v") == 0) { | |
36 | verbose++; | |
37 | argv++, argc--; | |
38 | } | |
39 | if (argc != 2) { | |
40 | fprintf(stderr, "usage: mkpasswd [ -v ] file\n"); | |
41 | exit(1); | |
42 | } | |
0cc97e50 | 43 | if (access(argv[1], R_OK) < 0) { |
63e9078a RC |
44 | fprintf(stderr, "mkpasswd: "); |
45 | perror(argv[1]); | |
46 | exit(1); | |
47 | } | |
2b55f05a | 48 | umask(0); |
403de8f5 | 49 | dp = dbm_open(argv[1], O_WRONLY|O_CREAT|O_EXCL, 0644); |
2b55f05a | 50 | if (dp == NULL) { |
63e9078a | 51 | fprintf(stderr, "mkpasswd: "); |
2b55f05a RC |
52 | perror(argv[1]); |
53 | exit(1); | |
54 | } | |
0cc97e50 RC |
55 | setpwfile(argv[1]); |
56 | while (pwd = getpwent()) { | |
2b55f05a RC |
57 | cp = buf; |
58 | #define COMPACT(e) tp = pwd->pw_/**/e; while (*cp++ = *tp++); | |
59 | COMPACT(name); | |
60 | COMPACT(passwd); | |
1ed2084e RC |
61 | bcopy((char *)&pwd->pw_uid, cp, sizeof (int)); |
62 | cp += sizeof (int); | |
63 | bcopy((char *)&pwd->pw_gid, cp, sizeof (int)); | |
64 | cp += sizeof (int); | |
65 | bcopy((char *)&pwd->pw_quota, cp, sizeof (int)); | |
66 | cp += sizeof (int); | |
2b55f05a RC |
67 | COMPACT(comment); |
68 | COMPACT(gecos); | |
69 | COMPACT(dir); | |
70 | COMPACT(shell); | |
71 | content.dptr = buf; | |
72 | content.dsize = cp - buf; | |
73 | if (verbose) | |
74 | printf("store %s, uid %d\n", pwd->pw_name, pwd->pw_uid); | |
75 | key.dptr = pwd->pw_name; | |
76 | key.dsize = strlen(pwd->pw_name); | |
403de8f5 RC |
77 | if (dbm_store(dp, key, content, DBM_INSERT) < 0) { |
78 | fprintf(stderr, "mkpasswd: "); | |
79 | perror("dbm_store failed"); | |
80 | exit(1); | |
81 | } | |
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82 | key.dptr = (char *)&pwd->pw_uid; |
83 | key.dsize = sizeof (int); | |
403de8f5 RC |
84 | if (dbm_store(dp, key, content, DBM_INSERT) < 0) { |
85 | fprintf(stderr, "mkpasswd: "); | |
86 | perror("dbm_store failed"); | |
87 | exit(1); | |
88 | } | |
2b55f05a RC |
89 | entries++; |
90 | if (cp - buf > maxlen) | |
91 | maxlen = cp - buf; | |
92 | } | |
403de8f5 | 93 | dbm_close(dp); |
2b55f05a RC |
94 | printf("%d password entries, maximum length %d\n", entries, maxlen); |
95 | exit(0); | |
96 | } |